YASKAWA GA50U Series

9 Auto-Tuning
68 YASKAWA TOEPC71061752B GA500 Drive Installation & Primary Operation
Table 9.1 Auto-Tuning Mode Selection
Method
Parameter
Settings
Application Conditions and Benefits
Applicable
Control Method
(A1-02 Setting)
V/f
(0)
OLV
(2)
Rotational Auto-Tuning T1-01 = 0
• When you can decouple the motor and load
the motor can rotate freely while Auto-
Tuning.
• When operating motors that have fixed
output characteristics.
• When it is necessary to use motors that have
high-precision control.
• When you cannot decouple the motor and
load, but the motor load is less than 30%.
x x
Stationary Auto-Tuning 1 T1-01 = 1
• When you cannot decouple the motor and
load.
• When the motor load is more than 30%.
• When the information from the motor test
report or motor nameplate is not available.
With Stationary Auto-Tuning, the energized
drive stays stopped for approximately 1
minute. During this time, the drive
automatically measures the necessary motor
parameters.
• When you operate the motor with less than
30% load after Auto-Tuning.
Set T1-12 = 1 [Test Mode Selection = Yes]
to do a test run after Auto-Tuning.
- x
Stationary Line-Line
Resistance
T1-01 = 2
• After Auto-Tuning, the wiring distance
between the drive and motor changed by 50
m or more.
• When the wiring distance is 50 m or more in
the V/f Control mode.
• When the motor output and drive capacity
are different.
x x
■ Input Data for Induction Motor Auto-Tuning
To do Auto-Tuning, input data for the items in Table 9.2 that have an "x". Before you start Auto-
Tuning, prepare the motor test report or record the information from the motor nameplate as a
reference.
Table 9.2 Input Data for Induction Motor Auto-Tuning
Input Data Parameter Unit
Auto-Tuning Mode
(T1-01 Setting)
Rotational
Auto-Tuning
(0)
Stationary
Auto-Tuning 1
(1)
Stationary Line-
Line Resistance
(2)
Motor Rated
Power
T1-02 kW x x x
Motor Rated
Voltage
T1-03 V x x -
Motor Rated
Current
T1-04 A x x x